Description

Missing Authorization vulnerability in Viszt Péter Csomagpontok és szállítási címkék WooCommerce-hez allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Csomagpontok és szállítási címkék WooCommerce-hez: from n/a before 4.2.8.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "7.5",
  "pubDate": "2026-09-08T08:17:12.763Z",
  "pubdate": "2026-09-08T08:17:12.763Z",
  "executiveSummary": "The Csomagpontok és szállítási címkék WooCommerce-hez plugin is affected by a missing authorization vulnerability, classified under Improper Access Control.\nThis security flaw allows unauthorized users to perform sensitive actions that should be restricted to authenticated administrative users.\nThe vulnerability affects all versions of the product prior to 4.2.8.\nThe primary risk involves the unauthorized manipulation of plugin-specific configurations or data processing tasks, which could lead to service disruption or potential information exposure.\nAn attacker does not require elevated privileges to exploit this flaw, as the lack of proper authorization checks on critical backend endpoints facilitates unauthorized access.\nExploitation is typically achieved via crafted HTTP requests directed at the vulnerable plugin endpoints, allowing an unauthenticated or low-privileged attacker to bypass intended access control mechanisms.",
  "technicalDetails": "The vulnerability stems from the plugin's failure to adequately validate user authorization on specific administrative or functional endpoints. In WordPress plugin development, security best practices dictate that all administrative-level actions must verify the requester's capability using current_user_can() or similar verification wrappers, alongside nonces for Cross-Site Request Forgery (CSRF) protection.\nThe root cause is identified as an Improper Authorization flaw where the plugin exposes sensitive callback functions or action handlers without checking the session's privilege level. Because these endpoints lack server-side authorization checks, an attacker can invoke restricted functions by sending direct HTTP GET or POST requests to the plugin’s exposed backend routes.\nThe attack flow typically follows this sequence: 1) Identification of the vulnerable endpoint within the plugin's action-handling logic. 2) Construction of a malicious request designed to trigger the unauthorized function. 3) Execution of the request against the WooCommerce environment. 4) The server processes the request because it lacks the necessary condition to verify if the actor holds 'manage_woocommerce' or 'administrator' privileges.\nAffected versions include all iterations from n/a up to, but not including, version 4.2.8. The vulnerability is present because the plugin assumes that the request origin is trustworthy or intended only for users with active sessions possessing administrative rights, failing to implement strict access controls on the controller or hook responsible for processing these requests.\nThe impact of successful exploitation is significant, potentially allowing an attacker to modify shipping label configurations, access internal plugin settings, or potentially trigger administrative actions that the plugin developers intended to keep shielded from public view. Since the plugin operates within the WordPress/WooCommerce ecosystem, the unauthorized execution of these functions can disrupt store operations or facilitate unauthorized data extraction depending on the specific plugin functionality exposed by the flawed endpoint.\nThe lack of validation ensures that the vulnerability is accessible over the network, provided the attacker has access to the WordPress site's URL structure. Without an authorization layer, the plugin fails to enforce the principle of least privilege, allowing any actor capable of reaching the site's server to interact with sensitive logic."
}